
Serial Flash Programmer[S550-SFWv3] Operation Manual
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8.3.2.
Normal Display Mode
This is the screen when power is turned on. The S550-SFWv3 displays the checksum lower 1 byte of the data
stored in the internal memory of the main unit on the center display.
*The user’s program checksum is the data summed up by every byte. The addresses not included in the user’s program are calculated as FFh.
*When there is no data downloaded to the internal memory, ”_”,”_” is displayed and the programming to the target board cannot be executed.
8.3.3.
Checksum Display Mode
The S550-SFWv3 displays the checksum lower 2 byte of the data stored in the internal memory of the main unit on
the center display. Following shows how to see the information.
*When there is no data downloaded to the internal memory, the display does not change to “
Checksum Display Mode
”. Also, when the
S550-SFWv3 main unit is in energy saving mode, the display does not change to “
Checksum Display Mode
”.
①
Move to “
Checksum Display Mode
”
・
When center display is in the “
Normal Display Mode
”, press the “FUNC” switch on S550-SFWv3 once,
and ”
D
”,”
C
” appear on the center display.
②
Display checksum
・
After ”
D.
”,”
C.
” are displayed on the center display, press the “START” switch on S550-SFWv3 once, and the
checksum is displayed.
*”When there is no operation for 3 seconds after “
D.
”,”
C.
” are displayed, the center display goes back to the “
Normal Display Mode
”.
・
The checksum is automatically scrolled.
③
Exit “
Checksum Display Mode
”
・
Press the “FUNC” switch on S550-SFWv3 once to go back to the “
Normal Display Mode
”.
(Multi Data Mode)
“Checksum Display Mode”
shows
”
1.
”,”
C.
” through ”
4.
”,”
C.
” on the center display.